Lua APA (7ú heag.)

Barnard, H. (1906). Pestalozzi and his educational system. C. W. Bardeen.

Lua i Stíl Chicago (17ú heag.)

Barnard, Henry. Pestalozzi and His Educational System. Syracuse, N.Y.: C. W. Bardeen, 1906.

Lua MLA (8ú heag.)

Barnard, Henry. Pestalozzi and His Educational System. C. W. Bardeen, 1906.

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